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Effect of peridomestic environments on repeated infestation by preadult Aedes aegypti in urban premises in Nha Trang City, Vietnam.


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Title: Effect of peridomestic environments on repeated infestation by preadult Aedes aegypti in urban premises in Nha Trang City, Vietnam.
Authors: Tsuzuki, Ataru / Vu, Trong Duoc / Higa, Yukiko / Nguyen, Thi Yen / Takagi, Masahiro
Issue Date: Oct-2009
Publisher: The American Society of Tropical Medicine and Hygiene
Citation: The American journal of tropical medicine and hygiene, 81(4), pp. 645-650 ; 2009
Abstract: To determine the effect of peridomestic environments on Aedes aegypti infestation in urban premises, we conducted two consecutive surveys in the hot-dry and cool-wet seasons. Most Ae. aegypti pupae (79%) were recovered from premises where preadult forms (larvae and/or pupae) had been detected in both surveys. Hence, repeated infestation appears to be a useful parameter to identify premises associated with a high potential risk of dengue transmission. Multivariate analysis revealed that not only the persistent presence of containers discarded outdoors, wells, large plastic buckets, jars, and concrete toilet basins in the premises (adjusted odds ratios [aORs] = 63.3, 23.3, 22.5, 6.6, and 5.6, respectively) but also the presence of six or more residents was significantly associated with repeated infestation (aOR = 6.1). Premises with six or more residents along with specific container types from which a large number of pupae were recovered should be targeted in dengue-control programs.
URI: http://hdl.handle.net/10069/24410
ISSN: 14761645
DOI: 10.4269/ajtmh.2009.08-0175
PubMed ID: 19815880
Rights: Copyright © 2009 by The American Society of Tropical Medicine and Hygiene
Type: Journal Article
Text Version: publisher
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/24410

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